C Base系列之 贪吃蛇

#include <stdio.h>  
#include <windows.h>  
#include <stdlib.h>  
#include <conio.h>  
#include <time.h>  

#define ShowTime 300  
#define CheckTime 10  
#define ShowRangeX 30//边界范围大小（横向）  
#define ShowRangeY 20//边界范围大小（纵向）  
#define ShowPlaceX 21//显示位置（横向）  
#define ShowPlaceY 6//显示位置（纵向）  
#define RIGHT   0x4d  
#define LEFT    0x4b  
#define UP  0x48  
#define DOWN    0x50  
#define Left    1  
#define Down    2  
#define Up  3  
#define Right   4   
  
void Pause();
void gotoxy(int x, int y);  
void DrawBoard();//画边界  
void DrawInitalSnake(int x);//画蛇初始位置  
void DrawFood();//画食物位置  
int move(int direct);//移动  
void HideCursor();//隐藏光标  
void InitMap();  
void Init();
int isfood (int x,int y);  

int NextY,NextX;
int score=0;  
int NowX=ShowPlaceX+ShowRangeX;  
int NowY=ShowPlaceY+ShowRangeY/2;  
int FoodX,FoodY;  
int Head,Tail;  
int DirectX[]={0,-1,0,0,1};  
int DirectY[]={0,0,1,-1,0};  
int MaxLen=ShowRangeX * ShowRangeY;  
int SnakeBody[ShowRangeX * ShowRangeY][2];  
bool Map[2*ShowRangeX][ShowRangeY];  
  
int main(void)  
{  
	
	system("color 0C");
	int key,time,next,difficult;  
    system("mode con cols=100 lines=30");//设置窗口大小  
	printf("\n\t***********************************贪吃蛇小游戏************************************");
	HideCursor();//隐藏光标  
    DrawBoard();//画边界  
    InitMap();//初始化地图  
	printf("\n\t\t\t\t\t请输入难度级别(小于14): ");
	scanf("%d",&difficult);
    DrawInitalSnake(difficult-1);//画初始位置  
    DrawFood();//画食物位置  
    next=Right;//初始运动方向  
    while(1)  
    {  
        time=ShowTime/CheckTime;  
        while(time--)//多次检测键盘按键状态  
        {     
            if(_kbhit())  
            {  
                key=getch();  
                switch(key)  
                {  
                case LEFT :if(next!=Right) next=Left;break;  
                case DOWN :if(next!=Up)next=Down;break;  
                case UP :if(next!=Down)next=Up;break;  
                case RIGHT :if(next!=Left) next=Right;break; 
                }  
            }  
			if(GetAsyncKeyState(VK_SPACE))
			Pause();
			Sleep(CheckTime);  
			
        }  
        //system("cls");  
        //DrawBoard();//重画边界  
        if (move(next)==0) //移动  
        {  
             printf("\n\n\n\t\t\t\t\tGame Over !!!\n");
			 //Sleep(CheckTime);
			return 0;  
        }   
		Init();
    }
	
return 0;  
}  
  
void gotoxy(int x, int y)  
{  
    COORD coord = {x, y};  
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord);  
}  
 
void Init()
{
	gotoxy(3,8);
	printf(" 方向键:");
	gotoxy(3,10);	
	printf("上( up  ): ↑");
    printf("\n\n   下( down): ↓");
	gotoxy(3,14);
    printf("左(left):←");
	printf("\n\n   右(right):→");
	gotoxy(3,18);
	printf("暂  停:");
	gotoxy(3,20);
	printf("-SPACE-");
	gotoxy(2,22);
	printf("cccc");
	printf("\n\n     软件");
	gotoxy(83,8);
	printf("     简易贪吃蛇 ");
    gotoxy(83,10);
	printf(" 制作人: MR ZHOU ");
    gotoxy(83,12);
	printf(" 版  本: Version1 ");
	gotoxy(83,14);
	printf(" 开发环境: VC6.0 ");
	gotoxy(83,17);
	printf(" 食物坐标:%d  %d",FoodX,FoodY);	
	gotoxy(83,19);
	printf(" 蛇头坐标:%d  %d",NextX,NextY);
	gotoxy(83,21);
	printf(" 分    数:  %d 分",score);
} 
void DrawBoard()//画边界  
{  
    int i;

 
    gotoxy(ShowPlaceX-2,ShowPlaceY-1);  
    printf("■");  
    for(i=1;i<=ShowRangeX;i++)  
    {  
        printf("■");  
    }  
    printf("■");  
    for (i=0;i<ShowRangeY;i++)  
    {  
        gotoxy(ShowPlaceX-2,ShowPlaceY+i);  
        printf("■");  
        gotoxy(ShowPlaceX+2*ShowRangeX,ShowPlaceY+i);  
        printf("■");  
          
    }  
    gotoxy(ShowPlaceX-2,ShowPlaceY+ShowRangeY);  
    printf("■");  
    for(i=1;i<=ShowRangeX;i++)  
    {  
        printf("■");  
    }  
    printf("■");  
      
}  
void DrawInitalSnake(int x)//画蛇的初始位置  
{  
   Head = 0, Tail = 0;
	int i=1;
	SnakeBody[Head][0]=ShowPlaceX+ShowRangeX;
	SnakeBody[Head][1]=ShowPlaceY+ShowRangeY/2; 
	gotoxy(SnakeBody[Head][0],SnakeBody[Head][1]);
	printf("■");  
	Map[SnakeBody[Head][0]-ShowPlaceX][SnakeBody[Head][1]-ShowPlaceY]=1;//在地图上做标记 
	for(;i<=x;i++)//这样以改变，可以设置任意的初始蛇的长度如果长度为9，则输入8
	{
	
		SnakeBody[Head+i][0]=SnakeBody[Head+i-1][0]+2;  
		SnakeBody[Head+i][1]=SnakeBody[Head+i-1][1];  
		gotoxy(SnakeBody[Head+i][0],SnakeBody[Head+i][1]);  
		printf("■");  
		Map[SnakeBody[Head+i-1][0]-ShowPlaceX][SnakeBody[Head+i-1][1]-ShowPlaceY]=1; 
	}	
    Head = i-1;

}  
void DrawFood()//画食物位置  
{  
    srand((time_t )time(NULL));  
    do   
    {  
    FoodX=(rand()%ShowRangeX)*2+ShowPlaceX;  
    FoodY=rand()%(ShowRangeY)+ShowPlaceY;  
    }while(Map[FoodX][FoodY]);  
    gotoxy(FoodX,FoodY);  
    printf("@");  
}  
  
int move(int next)//移动  
{  
	
    NextX=SnakeBody[Head][0]+2*DirectX[next];  
    NextY=SnakeBody[Head][1]+DirectY[next];  
	
    if(NextX==ShowPlaceX-2||NextX==ShowPlaceX+2*ShowRangeX||NextY==ShowPlaceY-1||NextY==ShowPlaceY+ShowRangeY||Map[NextX-ShowPlaceX][NextY-ShowPlaceY]==1)  
    {  
            return 0;  
    }  
    else  
    {  
        if(!isfood(NextX,NextY))  
        {  
            //清除尾巴 
            gotoxy(SnakeBody[Tail][0],SnakeBody[Tail][1]);  
            printf("  ");  
            Map[SnakeBody[Tail][0]-ShowPlaceX][SnakeBody[Tail][1]-ShowPlaceY]=0;  
            Tail=(Tail+1)%MaxLen;  
        }  
        //向前移动  
        Head=(Head+1)%MaxLen;  
        gotoxy(NextX,NextY);  
        if(Head==Tail)   
        {  
            printf("恭喜你，你过关了 ！\n");  
            return 0;  
        }  
        printf("■");  
        SnakeBody[Head][0]=NextX;  
        SnakeBody[Head][1]=NextY;  
        Map[NextX-ShowPlaceX][NextY-ShowPlaceY]=1;  
        if(isfood(NextX,NextY))  
        {  
			score++;
            DrawFood();  
        }  
    }  
	
    return 1;  
}  
  
int isfood (int x,int y)  
{  
    if(x==FoodX && y==FoodY) return 1;  
    return 0;  
}  
  
void InitMap()  
{  
    int i,j;  
    for (i=0;i<2*ShowRangeX;i++)  
        for (j=0;j<ShowRangeY;j++)  
            Map[i][j];  
}     
void HideCursor()//隐藏光标  
{  
    CONSOLE_CURSOR_INFO cursor_info = {1,0};  
    SetConsoleCursorInfo(GetStdHandle(STD_OUTPUT_HANDLE),&cursor_info);  
} 
void Pause()  
{  
    while(1)  
    {  
        Sleep(600);  
        if(GetAsyncKeyState(VK_SPACE))  
            break;  
    }  
    return;  
}